1. Pesticide Usage Survey Report 3?Vegetables for human consumption 1966 and 1969, MAFF, London; 82 pp (1972).
2. and Pesticide Usage Survey Report 163: Outdoor vegetable crops in Great Britain 1999, PB 5947, DEFRA, London; 61 pp (2001).
3. Guidelines for the collection of pesticide usage statistics within agriculture and horticulture, OECD, Paris; 40 pp (1999).
4. The need for appropriate use information to refine pesticide user exposure assessments
5. Pesticide usage monitoring in the United Kingdom